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by Lidal, Ingeborg Beate, Berg, Rigmor C., Austvoll-Dahlgren, Astrid, Straumann, Gyri Hval
Published 2015
“... respiratory tract infections by 6 to 23%. 3. reduces the number of physician consultations by 13 to 26%. 4...”Published 2015
Norwegian Knowledge Centre for the Health Services
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by Hviding, Krystyna, Austvoll-Dahlgren, Astrid, Holte, Hilde H., Flottorp, Signe
Published 2009
Published 2009
Norwegian Knowledge Centre for the Health Services